单项选择题

A.FPG正常;2hPG<7.8mmol/L
B.FPG<7.0mmol/L;2hPG;7.8mmol/L
C.FPG≥8mmol/L;2hPG<9mmol/L
D.FPG正常;2hPG<8mmol/L
E.FPG正常;1hPG<7.8mmol/L